Our holiday seems to be extended, but I still have to learn. At this time, online teaching came into being. I have the following opinions about online teaching. <br>First of all, it is convenient and can realize communication across spaces. However, it also has shortcomings. For example, teachers can't grasp our learning situation in time, and staring at electronic products for a long time will also have a serious impact on our vision. <br>All in all, online teaching has advantages and disadvantages
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